seamless steel pipe and pipe fitting manufacturer , specializes in manufacturing and selling industrial pipe fittings of various materials including carbon steel, alloy steel . We have successfully passed ISO9001:2000 International Quality Management System Standard Certificate, In order to acquaint you with our business lines ,I show some items we produce at present : Our factory are seamless steel pipe of ASTM A106 A 53 ERW，welded steel pipe and straight steel pipe . Product Range : Seamless & Weld Pipes seamless steel tube straight steel tube spiral steel tube rectangle/square pipes At the same time,We are the leading manufacturer of Carbon Steel&Alloy Steel Buttweld Pipe Fittings according to ASTM ANSI B16.9 as below: 1. Elbow 45Deg,90Deg,L/R,S/R from 1/2 inch TO 24 inch 2. Tee Straight & Reducing from 1/2 inch TO 24 inch 3. Reducer Concentric&Eccentric from 1/2 inch TO 24 inch 4. Caps from 1/2 inch TO 36 inch CARBON STEEL :ASTM A234 WPB A420 WPL3/L6 ETC e-mail bwfitting@hotmail.com mike@hbnsd.com